Figure 2.

Lineage-specific evolution of VNTR composite retrotransposons in hominoid primates. Specific characteristics of the Alu-like domain and the central VNTR are shown for the evolutionary youngest and presumably currently active VNTR-containing retrotransposon subfamilies in each of the lineages. TR indicates the invariable 5′ part of the central domain that is conserved within subfamilies. Upper case letters designate VNTR repeat unit types as identified in Lupan et al.20 Internal arrays of repeat units are shown in parentheses. The currently active L1 subfamilies are indicated below the lineage name. There are no data available for gorilla. del–deletions.